Oxalic acid, or oxalate, is a compound in many plant foods. In large quantities, it can inhibit the absorption of some nutrients. Learn more.

A: Oxalic acid is a potent but toxic cleaner that removes rust and stains caused by iron, water and tannic acid. It's available in dry crystal form, to be dissolved in warm water for use.

The main ingredient is oxalic acid, which is found naturally in certain fruits and vegetables and can leave surfaces shiny ...

Oxalates, also known as oxalic acid, are naturally occurring compounds in plants. You eat them in food, and your body makes them as well. Leafy greens, legumes , and other foods high in oxalates ...

Let’s talk about oxalic acid, a fairly safe and affordable organic compound you can use to get rust out of clothing or off concrete, vinyl siding or vinyl swimming pool liners.

Oxalic acid is a natural substance found in many plants, including leafy greens, fruits, vegetables, nuts, seeds, and cocoa . Rhubarb contains approximately 570–1,900 mg of oxalate per 3.5 ...

Captured carbon dioxide converts into oxalic acid to process rare earth elements. ScienceDaily . Retrieved June 2, 2025 from www.sciencedaily.com / releases / 2019 / 02 / 190222143339.htm ...